One source of background is the shower of cosmic rays that constantly bombard the Earth. While the space particles don’t affect most experiments, they could completely drown out the whisper of a faint ...

"This process is like a cosmic CT scan, where we can look through different slices of cosmic history and track how matter clumped together at different epochs." ...

The vast majority of cosmologists believe all of these phenomena can be explained through the presence of dark matter, a ...

Evidence, Theory and Constraints will be useful to those who wish to broaden or extend their research interests, for instance ...

Eventually, as the universe expanded and cooled, these interactions slowed and then stopped, leading the dark matter to "freeze out" and remain silent in the background. While there are many ...